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Technical Specification
IQ24-HP Family
18-36V
Continuous Input
1.8-48V
Outputs
225W
Max Power
2250Vdc
Isolation
Half-brick
DC-DC Converter
The InQor(R) Half-brick converter series is composed of next-generation, board-mountable, isolated, fixed switching frequency dc-dc converters that use synchronous rectification to achieve extremely high power conversion efficiency. Each module is supplied completely encased to provide protection from the harsh environments seen in many industrial and transportation applications. Operational Features
* Highefficiencies,upto92%atfullratedloadcurrent * Deliversfullpowerwithminimalderating-noheatsinkrequired * Operatinginputvoltagerange: 18-36V, 50 V transient for 1 s * FixedfrequencyswitchingprovidespredictableEMI * Nominimumloadrequirement
Mechanical Features
* IndustrystandardHalf-brickpin-outconfiguration * Size:2.390"x2.490"x0.512"(60.6x63.1x13.0mm) * Totalweight:5oz(142g)
Protection Features
* Inputunder-voltagelockout * Inputover-voltageshutdown * Outputcurrentlimitandshortcircuitprotection * Activebackbiaslimit * Outputover-voltageprotection * Thermalshutdown
Control Features
* On/Offcontrolreferencedtoinputside * Remotesensefortheoutputvoltage * Outputvoltagetrimrangeof-20%,+10%
CONTENTS
MechanicalDrawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 IQ24FAMILYElectricalCharacteristics(alloutputvoltages) . . . . . . . . . 3 IQ24FamilyStandardsandQualification . . . . . . . . . . . . . . . . . . . . . . . 4 IQ24FamilyFigures(alloutputvoltages) . . . . . . . . . . . . . . . . . . . . . . 5 IQ24018HPx60ElectricalCharacteristics(1.8Vout)&Figures . . . . . . . 6-7 IQ24033HPx50ElectricalCharacteristics(3.3Vout)&Figures . . . . . . . 8-9 IQ24050HPx40ElectricalCharacteristics(5.0Vout)&Figures . . . . . 10-11 IQ24120HPx18ElectricalCharacteristics(12.0Vout)&Figures . . . . 12-13 IQ24150HPx15ElectricalCharacteristics(15.0Vout)&Figures . . . . 14-15 IQ24240HPx09ElectricalCharacteristics(24.0Vout)&Figures . . . . 16-17 IQ24280HPx08ElectricalCharacteristics(28.0Vout)&Figures . . . . 18-19 IQ24400HPx5FElectricalCharacteristics(40.0Vout)&Figures . . . . 20-21 IQ24480HPx4FElectricalCharacteristics(48.0Vout)&Figures . . . . 22-23 ApplicationSection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24-27 OrderingInformation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
PageNo.
Safety Features
* 2250V,30MW input-to-output isolation *UL/cUL60950-1recognized(US&Canada),basic insulation rating * TUVcertifiedtoEN60950-1 *MeetsdirectiveswhichfacilitatesCEMarkinginuser's end product * BoardandplasticcomponentsmeetUL94V-0standard * RoHScompliant(seelastpage)
Product # IQ24xxxHPxxx Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 1
Technical Specification
IQ24-HP Family
Mechanical Drawing
2.486 2.00 1.400 1.000 .700 .400 [ 50,8 ] [ 35,56 ] [ 25,4 ] [ 17,78 ] [ 10,16 ]
.020 [ 63,14
0,5 ]
.243 .020 [ 6,17 0,5 ]
.512
[
+.002 -.005 +0,05 13 -0,12 OVERALL HEIGHT
]
.163 [ 4,14 ]
8
2.386 .020 [ 60,6 0,5 ] 1.90 [ 48,3 ]
7
6
5
4
.243 .020 [ 6,17 0,5 ]
TOP VIEW
1.90 [ 48,3 ]
SIDE VIEW
.233 .020 [ 5,92 0,5 ]
1
2
3
.543 .400 1.400
.020 [ 13,79 0,5 ]
[ 10,16 ] [ 35,56 ]
THRU HOLE M3 (SEE NOTE 8) STANDOFFS (4)
.027
[
+.007 -.010 +0,17 0,69 -0,25
]
BOTTOMSIDE CLEARANCE
NOTES
1) 2) 3) 4) 5) 6) 7) 8) 9)
PIN DESIGNATIONS
Pin 1 2 3 4 5 6 7 8 Notes: 1) 2) 3) SENSE(-)shouldbeconnectedtoVout(-)either remotely or at the converter. LeaveTRIMpinopenfornominaloutputvoltage. SENSE(+)shouldbeconnectedtoVout(+) either remotely or at the converter.
Doc.# 005-0005229 Rev. A 05/26/09 Page 2
Appliedtorqueperscrewshouldnotexceed6in-lb.(0.7Nm). Baseplateflatnesstoleranceis0.004"(.10mm)TIRforsurface. Pins1-3,5-7are0.040"(1.02mm)diameter,with0.080" (2.03mm)diameterstandoffshoulders. Pins4and8are0.080"(2.03mm)dia.with0.125"(3.18mm)dia. standoff shoulders AllPins:Material:CopperAlloy Finish:MatteTinoverNickelplate UndimensionedComponentsareshownforvisualreferenceonly Weight:4.9oz(142g) ThreadedorNon-Threadedoptionsavailable Alldimensionsininches(mm)Tolerances: x.xx+/-0.02in.(x.x+/-0.5mm) x.xxx+/-0.010in.(x.xx+/-0.25mm)
Name Vin(+) ON/OFF Vin(-) Vout(-) SENSE(-) TRIM SENSE(+) Vout(+)
Function Positive input voltage TTLinputtoturnconverteron andoff,referencedtoVin(-),with internal pull up. Negativeinputvoltage Negativeoutputvoltage Negativeremotesense1 Positive remote sense3 Positive output voltage Outputvoltagetrim2
Product # IQ24xxxHPxxx
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Technical Specification
IQ24-HP Family
IQ24 FAMILY Electrical Characteristics (all output voltages)
Parameter Min. Typ. Max.
ABSOLUTE MAXIMUM RATINGS Input Voltage Non-Operating 60 Operating 36 OperatingTransientProtection 50 Isolation Voltage InputtoOutput 2250 InputtoBase-Plate 2250 OutputtoBase-Plate 2250 OperatingTemperature -40 100 StorageTemperature -55 125 VoltageatON/OFFinputpin -2 18 INPUT CHARACTERISTICS OperatingInputVoltageRange 18 24 36 InputUnder-VoltageLockout Turn-OnVoltageThreshold 16.6 17.0 17.4 Turn-OffVoltageThreshold 14.8 15.2 15.6 LockoutVoltageHysteresis 1.8 InputOver-VoltageShutdown 52 55 RecommendedExternalInputCapacitance 470 InputFilterComponentValues(L\C) 1.1\13.2 DYNAMIC CHARACTERISTICS Turn-OnTransient Turn-OnTime 10 Start-UpInhibitTime 200 230 250 OutputVoltageOvershoot 0 ISOLATION CHARACTERISTICS IsolationVoltage(dielectricstrength) IsolationResistance 30 IsolationCapacitance(inputtooutput) 1000 TEMPERATURE LIMITS FOR POWER DERATING CURVES SemiconductorJunctionTemperature 125 BoardTemperature 125 Transformer Temperature 125 MaximumBaseplateTemperature,Tb 100 FEATURE CHARACTERISTICS SwitchingFrequency 255 275 295 ON/OFFControl Off-StateVoltage 2.4 1.8 On-StateVoltage -2 0.8 ON/OFFControl Pull-UpVoltage 5 Pull-UpResistance 50 Over-TemperatureShutdownOTPTripPoint 125 Over-TemperatureShutdownRestartHysteresis 10 RELIABILITY CHARACTERISTICS CalculatedMTBF(Telcordia)TR-NWT-000332 TBD CalculatedMTBF(MIL-217)MIL-HDBK-217F TBD FieldDemonstratedMTBF Note1:Highervaluesofisolationcapacitancecanbeaddedexternaltothemodule.
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Units Notes & Conditions
V V V V dc V dc V dc C C V V Continuous Continuous 1 s transient, square wave
Baseplatetemperature
50V transient for 1 s
V V V V F TypicalESR0.1-0.2 H\F Internalvalues;seeFigureE
ms ms %
Fullload,Vout=90%nom. FigureF MaximumOutputCapacitance SeeAbsoluteMaximumRatings
M pF C C C C kHz V
SeeNote1 Packageratedto150C ULratedmaxoperatingtemp130C
Isolation stage switching freq. is half this
ApplicationnotesFiguresA&B V k C C
AveragePCBTemperature
106 Hrs. 80%load,200LFM,40CTa 106 Hrs. 80%load,200LFM,40CTa 106 Hrs. Seeourwebsitefordetails
Doc.# 005-0005229 Rev. A 05/26/09 Page 3
Technical Specification
IQ24-HP Family
IQ24 Family Standards and Qualification
STANDARDSCOMPLIANCE
STANDARDSCOMPLIANCE UL/cUL60950-1 EN60950-1 NeedleFlameTest(IEC695-2-2) IEC61000-4-2
Parameter
Notes&Conditions
File#E194341,Basicinsulation CertifiedbyTUV Testonentireassembly;board&plasticcomponentsUL94V-0compliant ESDtest,8kV-NP,15kVair-NP(NormalPerformance)
Note:Anexternalinputfusemustalwaysbeusedtomeetthesesafetyrequirements.ContactSynQorforofficialsafetycertificatesonnew releasesordownloadfromtheSynQorwebsite.
QUALIFICATIONTESTING
QUALIFICATIONTESTING LifeTest Vibration MechanicalShock TemperatureCycling Power/ThermalCycling DesignMarginality Humidity Solderability
Parameter
#Units
32 5 5 10 5 5 5 15 pins
TestConditions
95%ratedVinandload,unitsatderatingpoint,1000hours 10-55Hzsweep,0.060"totalexcursion,1min./sweep,120sweepsfor3axis 100gminimum,2dropsinxandyaxis,1dropinzaxis -40Cto100C,unittemp.ramp15C/min.,500cycles Toperating = min to max, Vin = min to max, full load, 100 cycles Tmin-10CtoTmax+10C,5Csteps,Vin=mintomax,0-105%load 85C,85%RH,1000hours,continuousVinappliedexcept5min/day MIL-STD-883,method2003
Product # IQ24xxxHPxxx
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Doc.# 005-0005229 Rev. A
05/26/09
Page 4
Technical Specification
IQ24-HP Family
IQ24 Family Figures (all output voltages)
120 Typical Current Limit Inception Point
Nominal Vout
100
Output Voltage (%)
80 Typical Output Voltage at Shutdown 60
40 Vin min 20 Vin nom Vin max 0
5.00
0
10
20
30
40
50
60
70
80
90 100 110 120 130 140 150
Load Current (% )
Common Figure 1: Typical startup waveform. Input voltage pre-applied, ON/OFF Pin on Ch 2.
100,000.0
Common Figure 2: Output voltage vs. load current showing typical current limit curves and converter shutdown points.
100,000.0
1.8 V
Trim Resistance (kOhms) 10,000.0
3.3 V
5V
12 V
Trim Resistance (kOhms) 10,000.0
15 V
24 V
28 V
40 V
48 V
1,000.0
1,000.0
100.0
10.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
100.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Increase in Vout (%)
Increase in Vout (%)
Common Figure 3: Trim graph for trim-up 1.8 to 12 V outputs.
10,000.0
Common Figure 4: Trim graph for trim-up 15 to 48 V outputs.
All voltages
Trim Resistance (kOhms) 1,000.0
100.0
10.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Decrease in Vout (%)
Common Figure 5: Trim graph for trim down.
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005229 Rev. A 05/26/09 Page 5
Technical Specification
Input: Output: Current: Part No.:
18-36V 1.8 V 60 A IQ24018HPx60
IQ24018HPx60 Electrical Characteristics (1.8 Vout)
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Parameter
INPUT CHARACTERISTICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection EFFICIENCY 100%Load 50%Load
Min.
Typ.
Max.
9.6 140 4
Units Notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
110 2 0.11 135
3.0 1.782 1.8 0.1 0.1 -27 1.755 0 0 66.0 165 27 72.0 0.9 1.2 0.1 1.818 0.3 0.3 27 1.845 330 50 60 78.0
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5;seeNote2 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
15,000 75 500 -20 2.1 2.2 83 87 10 10 2.3
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 6
Technical Specification
100 95 90
16 14 12 10 8 6 4 2 0
Input: Output: Current: Part No.:
18-36V 1.8 V 60 A IQ24018HPx60
Efficiency (%)
85 80 75 70 65 60 0 5 10 15 20 25 30 35 40 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
18 Vin 24 Vin 36 Vin 0 5 10 15 20 25 30 35 40
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
70 60 50 40 30 20 10 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
70 60 50
Iout (A)
Iout (A)
40 30 20 10 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (200 mV/div), Ch 2: Iout (25 A/div).
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (200 mV/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A 05/26/09 Page 7
Technical Specification
Input: Output: Current: Part No.:
18-36V 3.3 V 50 A IQ24033HPx50
IQ24033HPx50 Electrical Characteristics (3.3 Vout)
Parameter
INPUT CHARACTERISTICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection EFFICIENCY 100%Load 50%Load
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Min.
Typ.
135 2 0.15 210
Max.
13.6 170 4
Units Notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
3.0 3.267 3.3 0.1 0.1 -50 3.218 0 0 55.0 140 20 60.0 1.7 1.3 0.1 3.333 0.3 0.3 50 3.383 280 40 50 65.0
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
10,000 100 100 -20 3.9 4.0 89 91 10 10 4.2
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 8
Technical Specification
100 95 90 100 95 90
Input: Output: Current: Part No.:
18-36V 3.3 V 50 A IQ24033HPx50
Efficiency (%)
80 75 70 65 60 0 10 20 30 40 50 18 Vin 24 Vin 36 Vin
Efficiency (%)
85
85 80 75 70 65 60 0 10 20 30 40 50 18 Vin 24 Vin 36 Vin
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
60
60
50
50
40
40
Iout (A)
30
Iout (A)
400 LFM (2.0 m/s) 300 LFM (1.5 m/s)
30
20
20 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 10 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85 25 40 55 70 85
10
200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
0
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.2 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (100 mV/div), Ch 2: Iout (10 A/div).
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (200 mV/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A 05/26/09 Page 9
Technical Specification
Input: Output: Current: Part No.:
18-36V 5.0 V 40 A IQ24050HPx40
IQ24050HPx40 Electrical Characteristics (5.0 Vout)
Parameter
INPUT CHARACTERISTICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection EFFICIENCY 100%Load 50%Load
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Min.
Typ.
125 2 0.25 200
Max.
16.6 160 4
Units Notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
3.0 4.95 5 0.1 0.1 -75 4.875 0 0 44.0 125 20 48.0 1.8 0.6 0.4 5.05 0.3 0.3 75 5.125 250 40 40 52.0
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5;seeNote2 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
8,000 160 100 -20 5.9 6.1 88 91 10 10 6.4
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 10
Technical Specification
100 95 90
30 27 24
Input: Output: Current: Part No.:
18-36V 5.0 V 40 A IQ24050HPx40
Power Dissipation (W)
21 18 15 12 9 6 3 0 18 Vin 24 Vin 36 Vin 0 5 10 15 20 25 30 35 40
Efficiency (%)
85 80 75 70 65 60 0 5 10 15 20 25 30 35 40 18 Vin 24 Vin 36 Vin
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
50
50
40
40
Iout (A)
20 400 LFM (2.0 m/s) 10 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85
Iout (A)
30
30
20 400 LFM (2.0 m/s) 10 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (200 mV/div), Ch 2: Iout (10 A/div).
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (200 mV/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A 05/26/09 Page 11
Technical Specification
Input: Output: Current: Part No.:
18-36V 12 V 18 A IQ24120HPx18
IQ24120HPx18 Electrical Characteristics (12.0 Vout)
Parameter
INPUT CHARACTERISTICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection EFFICIENCY 100%Load 50%Load
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Min.
Typ.
155 1.5 0.75 200
Max.
17.3 190 3
Units Notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
3.0 11.88 12 0.1 0.1 -180 11.70 0 0 19.8 90 14 21.6 6 0.5 1 12.12 0.3 0.3 180 12.30 180 30 18 23.4
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5;seeNote2 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
1,500 350 100 -20 14.0 14.6 92 93 10 10 15.2
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com) Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 12
Technical Specification
100 95 90
21 18
Input: Output: Current: Part No.:
18-36V 12 V 18 A IQ24120HPx18
Power Dissipation (W)
15 12 9 6 3 0 18 Vin 24 Vin 36 Vin
Efficiency (%)
85 80 75 70 65 60 0 2 4 6 8 10 12 14 16 18 18 Vin 24 Vin 36 Vin
0
2
4
6
8
10
12
14
16
18
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
21 18 15
21 18 15
Iout (A)
9 6 3 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Iout (A)
12
12 9 6 3 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (500 mV/div), Ch 2: Iout (5 A/div).
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A 05/26/09 Page 13
Technical Specification
Input: Output: Current: Part No.:
18-36V 15 V 15 A IQ24150HPx15
IQ24150HPx15 Electrical Characteristics (15.0 Vout)
Parameter
INPUT CHARACTERISTICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection EFFICIENCY 100%Load 50%Load
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Min.
Typ.
140 1.5 0.85 230
Max.
17.8 180 3
Units Notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
3.0 14.85 15 0.1 0.1 -225 14.63 0 0 16.5 100 20 18.0 7 0.3 1.5 15.15 0.3 0.3 225 15.38 200 40 15 19.5
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
1,000 550 100 -20 17.6 18.3 92 93 10 10 19.1
Note1:Outputisterminatedwith1Fceramicand15Flow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand noise,consultSynQorapplicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 14
Technical Specification
100 95 90
24 21 18 15 12 9 6 3 0
Input: Output: Current: Part No.:
18-36V 15 V 15 A IQ24150HPx15
Efficiency (%)
85 80 75 70 65 60 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
18 Vin 24 Vin 36 Vin 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
15
15
12
12
Iout (A)
9
Iout (A)
400 LFM (2.0 m/s)
9
6
6 400 LFM (2.0 m/s) 3 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85 25 40 55 70 85
3
300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
0
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (500 mV/div), Ch 2: Iout (5 A/div).
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A 05/26/09 Page 15
Technical Specification
Input: Output: Current: Part No.:
18-36V 24 V 9.0 A IQ24240HPx09
IQ24240HPx09 Electrical Characteristics (24.0 Vout)
Parameter
INPUT CHARACTERISTICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection EFFICIENCY 100%Load 50%Load
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Min.
Typ.
125 1.5 1.2 270
Max.
17.4 160 3
Units Notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
3.0 23.76 24 0.1 0.1 -360 23.40 0 0 9.9 200 40 10.8 12 0.18 2.5 24.24 0.3 0.3 360 24.60 400 80 9 11.7
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
400 700 80 -20 28.08 29.3 91 93 10 10 30.48
Note1:Outputisterminatedwith1Fceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor applicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 16
Technical Specification
100 95 90
24 21 18 15 12 9 6 3 0
Input: Output: Current: Part No.:
18-36V 24 V 9.0 A IQ24240HPx09
Efficiency (%)
85 80 75 70 65 60 0 1 2 3 4 5 6 7 8 9 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
18 Vin 24 Vin 36 Vin 0 1 2 3 4 5 6 7 8 9
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
10 9 8 7
10 9 8 7
Iout (A)
5 4 3 2 1 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Iout (A)
6
6 5 4 3 2 1 0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic and 15 F tantalum capacitors. Ch 1: Vout (500 mV/div), Ch 2: Iout (2 A/div).
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (2 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A 05/26/09 Page 17
Technical Specification
Input: Output: Current: Part No.:
18-36V 28 V 7.5 A IQ24280HPx08
IQ24280HPx08 Electrical Characteristics (28.0 Vout)
Parameter
INPUT CHARACTERISTICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection EFFICIENCY 100%Load 50%Load
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Min.
Typ.
130 1.5 1.2 235
Max.
17.0 160 3
Units Notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
3.0 27.72 28 0.1 0.1 -420 27.30 0 0 8.3 120 20 9.0 13 0.16 3 28.28 0.3 0.3 420 28.70 240 40 7.5 9.8
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
250 1600 80 -20 32.8 34.2 91 93 10 10 35.6
Note1:Outputisterminatedwith1Fceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor applicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 18
Technical Specification
100 95 90
30 27 24
Input: Output: Current: Part No.:
18-36V 28 V 7.5 A IQ24280HPx08
Power Dissipation (W)
21 18 15 12 9 6 3 0 18 Vin 24 Vin 36 Vin 0 1 2 3 4 5 6 7 8
Efficiency (%)
85 80 75 70 65 60 0 1 2 3 4 5 6 7 8 18 Vin 24 Vin 36 Vin
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
8 7 6 5
8 7 6 5
Iout (A)
4 3 400 LFM (2.0 m/s) 2 1 0 25 40 55 70 85 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Iout (A)
4 3 400 LFM (2.0 m/s) 2 1 0 25 40 55 70 85 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1 A/s). Load cap: 1 F ceramic capacitor. Ch 1: Vout (2 V/div), Ch 2: Iout (2.5 A/div).
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (1 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A 05/26/09 Page 19
Technical Specification
Input: Output: Current: Part No.:
18-36V 40 V 5.5 A IQ24400HPx5F
IQ24400HPx5F Electrical Characteristics (40.0 Vout)
Parameter
INPUT CHARACTERISTICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection EFFICIENCY 100%Load 50%Load
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Min.
Typ.
135 1.5 1.5 225
Max.
17.8 170 3
Units Notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
3.0 39.6 40 0.1 0.1 -600 39.00 0 0 6.1 120 17 6.6 19 0.12 4 40.4 0.3 0.3 600 41.00 240 30 5.5 7.2
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
150 2000 80 -20 46.8 48.8 91 93 10 10 50.8
Note1:Outputisterminatedwith1Fceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor applicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 20
Technical Specification
100 95 90
24 21 18 15 12 9 6 3 0
Input: Output: Current: Part No.:
18-36V 40 V 5.5 A IQ24400HPx5F
Efficiency (%)
85 80 75 70 65 60 0 1 2 3 4 5 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
18 Vin 24 Vin 36 Vin 0 1 2 3 4 5
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
6
6
5
5
4
4
Iout (A)
3
Iout (A)
400 LFM (2.0 m/s) 300 LFM (1.5 m/s)
3
2
2 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 1 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 0 25 40 55 70 85 25 40 55 70 85
1
200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
0
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.05 A/s). Load cap: 1 F ceramic capacitor. Ch 1: Vout (2 V/div), Ch 2: Iout (2.5 A/div).
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (2 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A 05/26/09 Page 21
Technical Specification
Input: Output: Current: Part No.:
18-36V 48 V 4.5 A IQ24480HPx4F
IQ24480HPx4F Electrical Characteristics (48.0 Vout)
Parameter
INPUT CHARACTERISTICS MaximumInputCurrent No-LoadInputCurrent DisabledInputCurrent ResponsetoInputTransient InputTerminalRippleCurrent RecommendedInputFuse OUTPUT CHARACTERISTICS OutputVoltageSetPoint OutputVoltageRegulation OverLine OverLoad OverTemperature TotalOutputVoltageRange OutputVoltageRippleandNoise Peak-to-Peak RMS OperatingOutputCurrentRange OutputDCCurrent-LimitInception OutputDCCurrent-LimitShutdownVoltage Back-DriveCurrentLimitwhileEnabled Back-DriveCurrentLimitwhileDisabled MaximumOutputCapacitance OutputVoltageduringLoadCurrentTransient StepChangeinOutputCurrent(0.1A/s) SettlingTime OutputVoltageTrimRange OutputVoltageRemoteSenseRange OutputOver-VoltageProtection EFFICIENCY 100%Load 50%Load
Ta=25C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40Cto+100Cbaseplate temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.
Min.
Typ.
140 1.5 1.8 210
Max.
17.4 180 3
Units Notes & Conditions
A mA mA V mA A V % % mV V mV mV A A V A mA F mV s % % V % % Vinmin;trimup;incurrentlimit
3.0 47.52 48 0.1 0.1 -720 46.80 0 0 4.95 120 15 5.40 22 0.1 5 48.48 0.3 0.3 720 49.20 240 30 4.5 5.85
SeeFigure6 RMS Fastactingexternalfuserecommended
Oversample,line,load,temperature&life 20MHzbandwidth;seeNote1 Fullload Fullload Subjecttothermalderating Outputvoltage10%Low Negativecurrentdrawnfromoutput Negativecurrentdrawnfromoutput Voutnominalatfullload(resistiveload) 50%to75%to50%Ioutmax Towithin1%Voutnom AcrossPins8&4;CommonFigures3-5 AcrossPins8&4 Overfulltemprange SeeFigure1forefficiencycurve SeeFigure1forefficiencycurve
100 2200 80 -20 56.2 58.6 91 93 10 10 61.0
Note1:Outputisterminatedwith1Fceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor applicationssupport(e-mail:support@synqor.com)
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 22
Technical Specification
100 95 90
24 21 18 15 12 9 6 3 0
Input: Output: Current: Part No.:
18-36V 48 V 4.5 A IQ24480HPx4F
Efficiency (%)
85 80 75 70 65 60 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 18 Vin 24 Vin 36 Vin
Power Dissipation (W)
18 Vin 24 Vin 36 Vin 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Load Current (A)
Load Current (A)
Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25C.
5.0 4.5 4.0 3.5
5.0 4.5 4.0 3.5
Iout (A)
2.5 2.0 1.5 1.0 0.5 0.0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Iout (A)
3.0
3.0 2.5 2.0 1.5 1.0 0.5 0.0 25 40 55 70 85 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s)
Ambient Air Temperature (C)
Ambient Air Temperature (C)
Figure 3: Encased converter (without heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 4: Encased converter (with 1/2" heatsink) max. output power derating vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM. Air flows across the converter from input to output (nominal input voltage).
Figure 5: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.05 A/s). Load cap: 1 F ceramic
capacitor. Ch 1: Vout (2 V/div), Ch 2: Iout (2.5 A/div).
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com
Figure 6: Output voltage response to step-change in input voltage (500 V/ms). Load cap: 100 F, electrolytic output capacitance. Ch 1: Vout (2 V/div), Ch 2: Vin (20 V/div).
Doc.# 005-0005229 Rev. A 05/26/09 Page 23
Technical Specification
IQ24-HP Family
BASICOPERATIONANDFEATURES
This converter series uses a two-stage power conversion topology. The first stage is a buck-converter that keeps the output voltage constant over variations in line, load, and temperature. The second stage uses a transformer to provide the functions of input/output isolation and voltage step-up or step-down to achieve the output voltage required. Both the first stage and the second stage switch at a fixed frequency for predictable EMI performance. Rectification of the transformer's output is accomplished with synchronous rectifiers. These devices, which are MOSFETs with a very low on-state resistance, dissipate far less energy than Schottky diodes. This is the primary reason that the converter has such high efficiency, even at very low output voltages and very high output currents. These converters are offered totally encased to withstand harsh environmentsandthermallydemandingapplications.Dissipation throughout the converter is so low that it does not require a heatsink for operation in many applications; however, adding a heatsink provides improved thermal derating performance in extreme situations. This series of converters use the industry standard footprint and pin-out configuration.
ON/OFF ON/OFF
CONTROLFEATURES
REMOTE ON/OFF (Pin 2):TheON/OFFinput,Pin2,permits the user to control when the converter is on or off. This input is referenced to the return terminal of the input bus, Vin(-). TheON/OFFsignalisactivelow(meaningthatalowturnsthe converteron).FigureAdetailsfourpossiblecircuitsfordriving theON/OFFpin.FigureBisadetailedlookoftheinternalON/ OFFcircuitry. REMOTE SENSE(+) (Pins 7 and 5): The SENSE(+) inputs correct for voltage drops along the conductors that connect the converter'soutputpinstotheload. Pin 7 should be connected to Vout(+) and Pin 5 should be connectedtoVout(-)atthepointontheboardwhereregulation is desired. A remote connection at the load can adjust for a voltage drop only as large as that specified in this datasheet, that is
[Vout(+)-Vout(-)]-[Vsense(+)-Vsense(-)] <
SenseRange%xVout
Pins 7 and 5 must be connected for proper regulation of the output voltage. If these connections are not made, the converter will deliver an output voltage that is slightly higher than its specified value. Note: the output over-voltage protection circuit senses the voltage across the output (pins 8 and 4) to determine when it should trigger, not the voltage across the converter's sense leads(pins7and5).Therefore,theresistivedropontheboard should be small enough so that output OVP does not trigger, even during load transients.
Vin(_) Remote Enable Circuit
Vin(_) Negative Logic (Permanently Enabled) ON/OFF
TTL/ CMOS
5V
5V ON/OFF
50k ON/OFF 50k
TTL
Vin(_) Open Collector Enable Circuit
Vin(_) Direct Logic Drive
Figure A: Various circuits for driving the ON/OFF pin.
100pF
Vin(_)
Figure B: Internal ON/OFF pin circuitry
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 24
Technical Specification
IQ24-HP Family
OUTPUT VOLTAGE TRIM (Pin 6):TheTRIMinputpermitsthe usertoadjusttheoutputvoltageacrossthesenseleadsupor down according to the trim range specifications. To decrease the output voltage, the user should connect a resistorbetweenPin6andPin5(SENSE(-)input).Foradesired decrease of the nominal output voltage, the value of the resistor should be
PROTECTIONFEATURES
Input Under-Voltage Lockout: The converter is designed to turn off when the input voltage is too low, helping avoid an input system instability problem, described in more detail in the application note titled "Input System Instability" on our website. The lockout circuitry is a comparator with dc hysteresis. When the input voltage is rising, it must exceed the typical TurnOn Voltage Threshold value (listed on the specifications page) before the converter will turn on. Once the converter is on, the input voltage must fall below the typical Turn-Off Voltage Threshold value before the converter will turn off. Output Current Limit: The maximum current limit remains constant as the output voltage drops. However, once the impedance of the load across the output is small enough to make theoutputvoltagedropbelowthespecifiedOutputDCCurrentLimitShutdownVoltage,theconverterturnsoff. Theconverterthenentersa"hiccupmode"whereitrepeatedly turnsonandoffata5Hz(nominal)frequencywitha5%duty cycle until the short circuit condition is removed. This prevents excessive heating of the converter or the load board. Output Over-Voltage Limit:Ifthevoltageacrosstheoutput pinsexceedstheOutputOver-VoltageProtectionthreshold,the converter will immediately stop switching. This prevents damage totheloadcircuitdueto1)excessiveseriesresistanceinoutput current path from converter output pins to sense point, 2) a releaseofashort-circuitcondition,or3)areleaseofacurrent limit condition. Load capacitance determines exactly how high theoutputvoltagewillriseinresponsetotheseconditions.After 200mstheconverterwillautomaticallyrestart. Over-Temperature Shutdown: A temperature sensor on the converter senses the average temperature of the module. The thermal shutdown circuit is designed to turn the converter off when the temperature at the sensed location reaches the Over-Temperature Shutdown value. It will allow the converter to turn on again when the temperature of the sensed location fallsbytheamountoftheOver-TemperatureShutdownRestart Hysteresis value.
Rtrim-down =
where
(511)-10.22 %
(kW)
% =
Vnominal-Vdesired Vnominal
x100%
To increase the output voltage, the user should connect a resistorbetweenPin6andPin7(SENSE(+)input).Foradesired increase of the nominal output voltage, the value of the resistor should be
Rtrim-up =
where
(
5.11VOUTx (100+%)
1.225%
_ 511 _ 10.22
%
)
(kW)
Vout=NominalOutputVoltage
Trim graphs show the relationship between the trim resistor valueandRtrim-upandRtrim-down,showingthetotalrangethe output voltage can be trimmed up or down. Note:theTRIMfeaturedoesnotaffectthevoltageatwhichthe output over-voltage protection circuit is triggered. Trimming the output voltage too high may cause the over-voltage protection circuit to engage, particularly during transients. It is not necessary for the user to add capacitance at the Trim pin. The node is internally bypassed to eliminate noise. Total DC Variation of VOUT: For the converter to meet its full specifications, the maximum variation of the dc value of VOUT, due to both trimming and remote load voltage drops, should not be greater than that specified for the output voltage trim range.
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 25
Technical Specification
IQ24-HP Family
APPLICATIONCONSIDERATIONS
Input System Instability: This condition can occur because Application Circuits:FigureCprovidesatypicalcircuitdiagram any dc-dc converter appears incrementally as a negative which details the input filtering and voltage trimming. resistanceload.Adetailedapplicationnotetitled"InputSystem Instability"isavailableontheSynQorwebsite which provides an understanding of why this instability arises, and shows the preferred solution for correcting it.
Vin(+) External Input Filter
Electrolytic Capacitor
Vout(+) Vsense(+) Rtrim-up
or
Vin
ON/OFF
Trim
Vsense(_) Vin(_) Vout(_)
Rtrim-down
Cload
Iload
Figure C: Typical application circuit (negative logic unit, permanently enabled).
Input Filtering and External Capacitance: FigureD provides a diagram showing the internal input filter components. This filter dramatically reduces input terminal ripple current, which otherwise could exceed the rating of an external electrolytic input capacitor. The recommended external input capacitance is specified in the Input Characteristics section on the Electrical Characteristics page.Moredetailedinformationisavailableintheapplicationnote titled "EMICharacteristics"ontheSynQorwebsite.
L
Vin(+) C Vin(_)
Figure D: Internal Input Filter Diagram (component values listed on the specifications page).
Product # IQ24xxxHPxxx
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 26
Technical Specification
IQ24-HP Family
Startup Inhibit Period:TheStartupInhibitPeriodensuresthat theconverterwillremainoffforapproximately200mswhenitis shut down for any reason. When an output short is present, this generates a 5 Hz "hiccup mode," which prevents the converter from overheating. In all, there are seven ways that the converter canbeshutdown,initiatingaStartupInhibitPeriod: * InputUnder-VoltageLockout * InputOver-VoltageShutdown * OutputOver-VoltageProtection * OverTemperatureShutdown * CurrentLimit * ShortCircuitProtection * TurnedoffbytheON/OFFinput FigureEshowsthreeturn-onscenarios,whereaStartupInhibit Period is initiated at t0, t1, and t2: Beforetimet0,whentheinputvoltageisbelowtheUVLthreshold, theunitisdisabledbytheInputUnder-VoltageLockoutfeature. WhentheinputvoltagerisesabovetheUVLthreshold,theInput Under-VoltageLockoutisreleased,andaStartupInhibitPeriodis initiated.Attheendofthisdelay,theON/OFFpinisevaluated, and since it is active, the unit turns on.
When the ON/OFF pin goes high after t2, the Startup Inhibit Period has elapsed, and the output turns on within the typical Turn-OnTime. Thermal Considerations: The maximum operating base-plate temperature, TB,is100C.Aslongastheuser'sthermalsystem keeps TB <100C,theconvertercandeliveritsfullratedpower. Apowerderatingcurvecanbecalculatedforanyheatsinkthatis attached to the base-plate of the converter. It is only necessary todeterminethethermalresistance,RTHBA, of the chosen heatsink between the base-plate and the ambient air for a given airflow rate. This information is usually available from the heatsink vendor. The following formula can the be used to determine the maximum power the converter can dissipate for a given thermal conditionifitsbase-plateistobenohigherthan100C. 100 C-TA max Pdiss = RTHBA Thisvalueofpowerdissipationcanthenbeusedinconjunction withthedatashowninFigure2todeterminethemaximumload current (and power) that the converter can deliver in the given thermal condition.
Forconvenience,powerderatingcurvesforanencasedconverter Attimet1,theunitisdisabledbytheON/OFFpin,anditcannot without a heatsink and with a typical heatsink are provided for each output voltage. beenabledagainuntiltheStartupInhibitPeriodhaselapsed.
Vin
Under-Voltage LockoutTurnOnThreshold
ON/OFF
(neglogic)
ON
OFF ON
OFF
ON 9ms (typical turnontime)
Vout
(typicalstart-up inhibitperiod)
200ms
200ms
200ms
t0
t1
t2
t
Figure E: Startup Inhibit Period (turn-on time not to scale)
Product # IQ24xxxHPxxx Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005229 Rev. A 05/26/09 Page 27
Technical Specification
IQ24-HP Family
PART NUMBERING SYSTEM
The part numbering system for SynQor's dc-dc converters follows the format shown in the example below.
IQ 24 0 1 8 H P C 6 0 N R S - G 6/6 RoHS Options (see Ordering Information) Output Current Thermal Design Performance Level Package Size Output Voltage Input Voltage Product Family
ORDERING INFORMATION
The tables below show the valid model numbers and ordering options for converters in this product family. When ordering SynQorconverters,pleaseensurethatyouusethecomplete 15characterpartnumberconsistingofthe12characterbase part number and the additional 3 characters for options. Add"-G"tothemodelnumberfor6/6RoHScompliance.
Model Number IQ24018HPw60NRS-G IQ24033HPw50NRS-G IQ24050HPw40NRS-G IQ24120HPw18NRS-G IQ24150HPw15NRS-G IQ24240HPw09NRS-G IQ24280HPw08NRS-G IQ24400HPw5FNRS-G IQ24480HPw4FNRS-G Continuous Input Voltage 18-36V 18-36V 18-36V 18-36V 18-36V 18-36V 18-36V 18-36V 18-36V Transient Input Voltage 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s 50 V - 1 s Output Voltage 1.8V 3.3V 5.0V 12V 15V 24V 28V 40V 48V Maximum Output Current 60A 50A 40A 18A 15A 9.0A 7.5A 5.5A 4.5A
The first 12 characters comprise the base part number and the last 3 characters indicate available options. The "-G" suffixindicates6/6RoHScompliance.
The following options must be included in place of the w x y z spaces in the model numbers listed above.
Options Description: w x y z Thermal Design C - Encased with Threaded Baseplate D - Encased with Non-Threaded Baseplate Enable Logic Pin Style Feature Set
Application Notes
Avarietyofapplicationnotesandtechnicalwhitepaperscan be downloaded in pdf format from our website.
RoHS Compliance:TheEUledRoHS(RestrictionofHazardous Substances)DirectivebanstheuseofLead,Cadmium,Hexavalent Chromium, Mercury, Polybrominated Biphenyls (PBB), and PolybrominatedDiphenylEther(PBDE)inElectricalandElectronic Equipment. This SynQor product is 6/6 RoHS compliant. For more information please refer to SynQor's RoHS addendum available at our RoHS Compliance / Lead Free Initiative web page or e-mail us at rohs@synqor.com.
N - Negative
R - 0.180"
S - Standard
Not all combinations make valid part numbers, please contact SynQorforavailability. SeetheProduct Summarywebpage for more options.
PATENTS
SynQorholdsthefollowingpatents,oneormoreofwhich mightapplytothisproduct: 5,999,417 6,594,159 6,927,987 7,119,524 6,222,742 6,731,520 7,050,309 7,269,034 6,545,890 6,894,468 7,072,190 7,272,021 6,577,109 6,896,526 7,085,146 7,272,023
Contact SynQor for further information:

Phone: TollFree: Fax: E-mail: Web: Address:
978-849-0600 888-567-9596 978-849-0602 power@synqor.com www.synqor.com 155SwansonRoad Boxborough,MA01719 USA
Phone 1-888-567-9596
Warranty SynQoroffersatwo(2)yearlimitedwarranty.Completewarranty information is listed on our website or is available upon request from SynQor. InformationfurnishedbySynQorisbelievedtobeaccurateandreliable. However,noresponsibilityisassumedbySynQorforitsuse,norforany infringements of patents or other rights of third parties which may result fromitsuse.Nolicenseisgrantedbyimplicationorotherwiseunderany patentorpatentrightsofSynQor.
Product # IQ24xxxHPxxx
www.synqor.com
Doc.# 005-0005229 Rev. A
05/26/09
Page 28

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